The fast changing world of display technology

It was not until 2007 that the LCD TV sales were able to overtake the sales of CRT-based TV

. The cathode ray tube-based televisions are still in vogue and popular, but, it is just that the other technology based TV sets are fast replacing them worldwide.

People believe that the liquid colour display (LCD) technology is more practical and far better than the old CRT technology. There is no longer heating of the TV, the TVs got slimmer because the vacuum tube goes out, the screens got wider, the contrast ratios also improved, the viewing from bigger angles is better and the clarity of pictures becomes amazingly close to real life colours. A further improved variant of the LCD technology is the Light Emitting Diode (LED) technology. LED-based TVs are essentially LCD only. The only difference lies in the backlighting device. The LED TV makes use of the light emitting diode for back lighting purposes while the LCD ones make use of the CCFL bulbs for the same.

Plasma TV is yet another flat display technology option available to the consumers. This makes use of the chambers or plasma cells for producing colour variations. A major plus of these TVs over the LCD or LED ones is that these offer good viewing experience even at large viewing angle, say more than 75 degrees from the center. These generally come in screen widths of bigger size. However, the only major drawback seems to be of the burn-in'. This means that if you allow one picture to remain on the screen for a long time, say one hour, the screen will get the impression of the same. So, there is some advancement in better viewing in plasma ones but some of the technological hurdles remain to be crossed. On parameters of size and cost and longevity, the plasma and the LED TVs are on equal footing. Plasma TV scores over the LED in colour contrast ratios.

Since quite sometime now, there renowned companies have been adding the three dimensional viewing to their basket of product offerings to the customers. The technology for the 3D viewing has also come of age. When it was quite new, the viewers were required to wear special glasses to have the 3D experience. The modern day technology does not require the same. There have been mixed reviews about the feelings of the people towards it. Some of them did not have good experience of it at all. 3D TV plasma technology is yet to find total acceptance from the customers.

With the increasing use of digital technology in the TVs, the resolution of the pictures has improved vastly. The TV cables used for the same are of far superior quality, capable of transmitting high resolution pictures, text and videos without any compromise in their quality. The improvements in the TV cables are enabling greater support to the new age TVs.

Its innovation all around in the display technologies and also in the supporting accessories that is poised to increase the competition in the TV market.

The fast changing world of display technology

By: Zaylee Simon

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